The Swingline A7074357B LightTouch Heavy Duty Punch features a revolutionary ease-of-use design that requires 50-percent less punching effort than any other punch in its class. This punch is so well-designed, it s earned an Ease-of-Use commendation from The Arthritis Foundation. It is accessible even to people with functional limitations due to the effects of arthritis. Also included are superior punch heads that cut precise 9/32-inch holes, and a lever handle that is fused into one mechanism for breakthrough, jam-free performance. The punch mechanism can accept up to seven semi-adjustable punch heads, and punch chips fall into a translucent tray for easy chip management. Other highlights include a top-loading, contemporary design for exceptional feeding consistency, and the ability to punch up to 40 sheets of 20-pound paper at once.